Abstract: A flat panel direct methanol fuel cell (DMFC) includes an integrated cathode electrode sheet; a membrane electrode assembly (MEA) unit; an intermediate bonding layer; an integrated anode electrode sheet; and a fuel container. The fabrication of the integrated cathode/anode electrode sheets is compatible with printed circuit board (PCB) processes.

Abstract: The present invention is a fuel cell device, which at least comprises: at least one membrane electrode assembly, in which the membrane electrode assembly at least comprises: an anode electrode, a proton exchange membrane, and a cathode electrode; and, at least one double-sided flow board, which is configured on one side of the membrane electrode assembly, and the double-sided flow board employs a wave structure.

Abstract: A composite flow board for a fuel cell is disclosed, which includes a first substrate, a second substrate and at least one third substrate. The first substrate is made of plasticized material in the form of a plate. The first substrate includes one or more concave portions spaced apart from one another. The concave portions are formed on a surface of the first substrate. The second substrate is made of well-adhesive material in the form of a framework. The second substrate includes four frames and a hollow portion. The space inside the hollow portion is used to contain the first substrate, and the first substrate is connected with the four frames. The third substrate is made of metal in the form of a thin layer. The third substrate is shaped to the concave portions, and is attached to the concave portions.

Abstract: A flow board applied to a fuel cell is disclosed. The fuel cell includes at least one membrane electrode assembly. The flow board comprises a plate body having one or more concave portions, each of which is disposed corresponding to the position of a membrane electrode assembly, and one or more current collection sheets made from a conductive material, wherein each current collection sheet covers a corresponding concave portion of the plate body, and the current collection sheets are fixed on the plate body.

Abstract: The invention relates to a structure of cathode fuel channel structure for a fuel cell, and the fuel cell includes more than one membrane electrode assembly. The cathode fuel channel structure comprises a plurality of trenches disposed above the cathodes of the membrane electrode assemblies, and the trenches are evenly distributed and encompass all of the cathodes of the membrane electrode assemblies. The ends of all trenches at the same side are arranged as more than one curved surface, and the curved surfaces serve as inlets for the cathode fuels. Therefore, the cathode fuels that flow into the trenches can be evenly distributed to the cathodes of the membrane electrode assemblies.

Abstract: A flat panel DMFC (direct methanol fuel cell) includes an integrated cathode electrode sheet; a membrane electrode assembly (MBA) unit; an intermediate bonding layer; an integrated anode electrode sheet; and a fuel container. The integrated cathode/anode electrode sheets are manufactured by using printed circuit board (PCB) compatible processes.

Abstract: The present invention is a fuel cell apparatus of feedback module which comprises at least one fuel cell unit and energy management unit.

Abstract: A two-sided fuel flow board structure is disclosed, which includes a plate, at least one top concave portion, at least one bottom concave potion, at least one injection flow channel, and at least one exhaust flow channel. The top and the bottom concave portions separately formed on an upper surface and a lower surface of the plate, and each of them is disposed corresponding to each membrane electrode assembly of a fuel cell board. The injection flow channels are formed on the upper surface and the lower surface of the plate, and connected to each of the top and the bottom concave portions, respectively. The exhaust flow channels are formed on the upper surface and the lower surface of the plate, and separately connected to each of the top and the bottom concave portions.

Abstract: The present invention is a fuel cell having built-in serial/parallel connecting mechanism. The anode circuit board comprises anode current collection circuitries and anode solder pads placed on the peripheral of the anode circuit board. The cathode circuit board comprises cathode current collection circuitries and cathode solder pads placed on the peripheral of the anode circuit board. The placed positions of the cathode solder pads are one-by-one opposite to the placed position of the anode solder pad. At least above one membrane electrode assembly (MEA) is close and sandwiched between the anode circuit board and the cathode circuit board, and again the MEAs are respectively one-by-one sandwiched between the anode current collection circuitries and the corresponding cathode current collection circuitries.

Abstract: The present invention is a fuel cell having serial/parallel connecting mechanism of golden finger. The anode circuit board comprises anode current collection circuitries and one anode golden finger. The anode current collection circuitries are electrically connected to the anode golden finger. The cathode circuit board comprises cathode current collection circuitries and one cathode golden finger. The cathode current collection circuitries are electrically connected to the cathode golden finger. At least above one membrane electrode assembly (MEA) is close and sandwiched between the anode circuit board and the cathode circuit board, and again the MEAs are respectively one-by-one sandwiched between the anode current collection circuitries and the corresponding cathode current collection circuitries.

Abstract: This invention relates to a testing fixture for membrane electrode assembly, for testing performance of the membrane electrode assembly, the testing fixture including a first mold unit and a second mold unit. The first and second mold units are capable of clamping towards and separating from each other, and during testing, the membrane electrode assembly is interposed between the first and second mold units clamped to each other. The first mold unit supplies anode fuel to an anode of the membrane electrode assembly and includes a first retaining plate, an anode fuel flow field plate and an anode current collection plate. The second mold unit supplies cathode fuel to a cathode of the membrane electrode assembly and includes a second retaining plate, a cathode fuel flow field plate and a cathode current collection plate.

Abstract: This invention is an electronic circuit board integrated with a fuel cell comprising: a multilayer PCB, including a first region and a second region; an electronic circuit disposed at the first region, including: plural electronic components, disposed at the first region of the multiplayer PCB; plural leads, formed to the first region of the multiplayer PCB, and connecting to the electronic components; a fuel cell disposed at the second region, wherein the multilayer PCB disposed at the second region serves to made a part of the fuel cell.

Abstract: The present utility is related to an assembly structure of clustering fuel cell, comprising the fuel cell, electrical plug board and fuel control unit. The fuel cell has a PCB substrate, at least more than one membrane electrode assembly (MEA), fuel injecting inlet and electrically connecting part. The electrical plug board includes at least more than one electrical connector; each electrical connector is used to plug into the electrically connecting part of each fuel cell. The fuel control unit includes at least more than one fuel output outlet, wherein each fuel output outlet contacts with the fuel injecting inlet of each fuel cell.

Abstract: The present invention is related to a fuel cell having gas/liquid isolated structure, comprising a fuel cell core component and an isolating layer component. The fuel cell core component is used to produce electricity by electro-chemical reaction. The isolating layer is a porous film layer with gas ventilation but with liquid isolation placed inside the fuel cell and is used to isolate the liquid of fuel cell core component in an electro-chemical reaction and the liquid produced after the electrochemical reaction by the isolating layer, and is also used to ventilate the gas of fuel cell core component in electro-chemical reaction and the gas produced after electro-chemical reaction through the isolating layer so as to achieve the functions of water-proof, anti-leakage and liquid-leak prevention.

Abstract: The present invention is related to a manufacturing method of flexible substrate laminate integrated fuel cell, comprising step (A) to step (E). Step (A) is to utilize the flexible circuit substrate used in the printed circuit board (PCB) to respectively manufacture the anode current collection layer and cathode current collection layer by the PCB process. Step (B) is to manufacture a membrane electrode assembly layer. Step (C) is to utilize the lamination or bonding process to respectively laminate the anode current collection layer, membrane electrode assembly layer and cathode current collection layer into the fuel cell reactive layer. Step (D) is to utilize the flexible substrate to manufacture the flow layer. Step (E) is to laminate the fuel cell reactive layer and flow layer.

Abstract: A flow field board arrangement for a fuel cell is disclosed. Injection flow channels and exhaust flow channels are individually disposed on the surface of a substrate. At least a concave portion is disposed on the same, and connected to the injection flow channel and the exhaust flow channel accordingly. An inlet is disposed on the side of the substrate and connected to an end of the injection flow channel. An outlet is disposed on the side of the substrate and connected to an end of the exhaust flow channel. The flow field board arrangement is characterized in that each injection flow channel has an identical length from an influx end of the concave portion to the inlet and/or has an equivalent flow rate, and each exhaust flow channel has an identical length from an efflux end of the concave portion to the outlet and/or has an equivalent flow rate.

Abstract: A fuel cell device with a compound power supply is disclosed, which comprises a bipolar fuel cell board and an auxiliary power supply. The bipolar fuel cell board includes at least one fuel cell unit. The auxiliary power supply is disposed on the bipolar fuel cell board and/or on an intermediate substrate sandwiched within the fuel cell device, and is connected to the fuel cell units. Stable power is output due to the combination of power from the fuel cell units and the auxiliary power supply.

Abstract: An electrical circuit interface board for connecting a fuel cell is described, which includes a substrate, an electrical circuit, a first interface, and a second interface. The electrical circuit is disposed on the substrate. The first interface is disposed on the substrate for electrically connecting the fuel cell, and is electrically connected to the electrical circuit. The second interface is disposed on the substrate for electrically connecting an electrical device, and is electrically connected to the electrical circuit. It becomes feasible to manage the fuel cell through the electrical circuit interface board.

Abstract: A current collection board for a fuel cell is described. The current collection board includes a plate body having a substrate made of a printed circuit board, and at least one current collection circuitry disposed on the surface of the plate body. Furthermore, the current collection board is fabricated according to the shapes and areas of the membrane electrode assemblies. The fabricating method is thus simple and costs less.

Abstract: The invention is disclosed a method of fabricating a layer lamination integrated direct methanol fuel cell. The first step is form a flow-channel/liquid-trench layer by using materials of a printed circuit board (PCB). The second step is to form a membrane electrode assembly layer. The third step is to form a controlling circuit layer by using PCB manufacturing process. The forth step is to join the flow-channel/liquid-trench layer, the membrane electrode assembly layer, and the controlling circuit layer to form a layer lamination integrated direct methanol fuel cell.